<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>体验iframe测试体验页面无刷新</title>
    <script type="text/javascript">
        function go() {
            document.getElementById("iframe").src = document.getElementById("url").value;

        }
    </script>
</head>
<body>

<div>
    <p>请输入地址：</p>
    <p>
        <input type="text" id="url">
        <input type="button" value="提交" onclick="go()">
    </p>
</div>

<div>
    <iframe id="iframe" style="width: 100%;height: 500px">

    </iframe>
</div>
</body>
</html>